Dear RHESSI Collaborators,
Solar activity remains at very low levels. The largest event since
the last message was a B1.4 at 02:51 UT on June 17 produced
by the target region NOAA 12663. 12663 retains its beta/D-type
sunspot group. It shows some flux emergence in its leading portion.
B-level events are likely over the following 24 hours.
The position of NOAA 12663 on June 18 at 01:30 UT is:
N12W29 (449", 177")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity has been at extremely low levels since the last message.
The target region NOAA 12663 was flare quiet in the past 24 hours. It
is now downgraded to a beta/D-type region, increasing in sunspot area.
12663 is more complex in magnetic configuration than the other sunspot
region (NOAA 12662, N12E27) on the visible disk. B-class activities are
possible in the next 24 hours.
The position of NOAA 12663 on June 17 at 01:30 UT is:
N13W15 (239", 193")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity has increased slightly since the last message.
Numerous low B-class events were produced by a new emerged
region, now designated as NOAA 12663. 12663 will be today's
target. It grows rapidly and is classified as a beta-gamma/D-type
region. Further B-class activities are expected with a chance of
low C-level events.
The position of NOAA 12663 on June 15 at 23:30 UT is:
N14W00 (0", 220")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity is at a very low level. The largest event since the
last message was a B3.8 (limb flare) at 18:45 UT on June 13,
produced by yesterday's plage target NOAA 12661. Today the
target will switch to a new sunspot region NOAA 12662 with an
alpha/H-type configuration. Low level activities are possible in
the following 24 hours.
The position of NOAA 12662 on June 14 at 15:30 UT is:
N12E61 (-809", 189")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity continues to be extremely low with the GOES soft X-ray
flux flat at the ~A8 level. The plage region (previous NOAA 12661) is
almost rotating beyond the west limb. It will be the target for a further
24 hours. Only minor activities are expected in the next 24 hour period.
The position of NOAA 12661 on June 13 at 15:30 UT is:
N07W91 (936", 115")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
Solar activity is very low with the soft X-ray flux at the background
level. The visible disk remains spotless. Nevertheless, the plage region
NOAA 12661 shows some small eruptions, one of which might be
associated with a very weak CME. 12661 is rotating over the west limb.
Only low activities are possible in the next 24 hours.
The position of NOAA 12661 on June 12 at 15:30 UT is:
N07W76 (910", 112")
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Ying Li (Nanjing University / Montana State University)
Dear RHESSI Collaborators,
The level of solar activity is very low. Yesterday's target region
has rotated into view and is a small unspotted plage region with no
notable evolution since the last message. The target will return to
the decayed plage that was previously NOAA 12661, which has again
produced the only flare of the past 24 hours (a B1.5 on 11-Jun-2017
at 01:07 UT). Further low B-class flares are possible over the next
24-hour period.
The approximate position of this region on 11-Jun-2017 at 21:30 UT is:
N07W64, ( 844", 111" )
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Shaun Bloomfield (Northumbria University)
Dear RHESSI Collaborators,
Solar activity is at a very low level. NOAA 12661 has been confirmed
as having decayed into spotless plage. A new magnetic region is now
rotating over the South East limb. Although it is unknown if this
region consists of sunspots or only plage fields, it will become the
new target. B-class activity is possible over the next 24 hours.
The approximate position of this region on 10-Jun-2017 at 21:30 UT is:
S06E90, ( -939", -99" )
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Shaun Bloomfield (Northumbria University)
Dear RHESSI Collaborators,
The level of solar activity is very low. NOAA 12661 has decayed more
in the past 24 hours. Although 12661 was designated as a alpha/A-type
sunspot group at the start of the UT day, it has now lost all of its
spots. This region was the source of the only flare since the last
email, a B4.1 on 9-Jun-2017 at 11:52 UT. B-class activity is possible
over the following 24-hour period.
The position of NOAA 12661 on 9-Jun-2017 at 19:30 UT is:
N07W33, ( 510", 110" )
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Shaun Bloomfield (Northumbria University)
Dear RHESSI Collaborators,
Solar activity is at a very low level. Decaying NOAA 12661 lost more
spot area and numbers of spots in the past 24 hours. This region is
now designated as a simple alpha/H-type sunspot group and produced the
largest flare since the last email (a B2.9 on 8-Jun-2017 at 03:38 UT).
Further B-class activity is possible in the next 24 hours.
The position of NOAA 12661 on 8-Jun-2017 at 19:30 UT is:
N07W22, ( 350", 111" )
See http://www.SolarMonitor.org for images and
http://solar.physics.montana.edu/max_millennium/ops/observing.shtml
for a description of the current Max Millennium Observing Plan.
Regards,
Shaun Bloomfield (Northumbria University)